IntegerField.h

#ifndef SSP21_INTEGERFIELD_H
#define SSP21_INTEGERFIELD_H

#include "ssp21/crypto/gen/ParseError.h"
#include "ssp21/crypto/gen/FormatError.h"
#include "ssp21/crypto/IMessagePrinter.h"

namespace ssp21
{

    template <typename IntegerType>
    class IntegerField final
    {
        typedef typename IntegerType::type_t integer_t;

    public:

        size_t size() const
        {
            return IntegerType::size;
        }

        operator integer_t& ()
        {
            return value;
        }

        operator integer_t () const
        {
            return value;
        }

        IntegerField()
        {}

        IntegerField& operator=(integer_t value)
        {
            this->value = value;
            return *this;
        }

        explicit IntegerField(integer_t value) : value(value)
        {}

        ParseError read(seq32_t& input)
        {
            return IntegerType::read_from(input, this->value) ? ParseError::ok : ParseError::insufficient_bytes;
        }

        FormatError write(wseq32_t& output) const
        {
            return IntegerType::write_to(output, this->value) ? FormatError::ok : FormatError::insufficient_space;
        }

        void print(const char* name, IMessagePrinter& printer) const
        {
            printer.print(name, this->value);
        }

        integer_t value = 0;

    };


}

#endif